WO2012041296A2 - Vorrichtung zur wundbehandlung und wundabdeckpflaster - Google Patents
Vorrichtung zur wundbehandlung und wundabdeckpflaster Download PDFInfo
- Publication number
- WO2012041296A2 WO2012041296A2 PCT/DE2011/001866 DE2011001866W WO2012041296A2 WO 2012041296 A2 WO2012041296 A2 WO 2012041296A2 DE 2011001866 W DE2011001866 W DE 2011001866W WO 2012041296 A2 WO2012041296 A2 WO 2012041296A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wound
- opening
- plaster
- wundabdeckpflaster
- disc
- Prior art date
Links
- 206010052428 Wound Diseases 0.000 title claims abstract description 117
- 208000027418 Wounds and injury Diseases 0.000 title claims abstract description 117
- 239000011505 plaster Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000000470 constituent Substances 0.000 claims abstract description 4
- 238000009792 diffusion process Methods 0.000 claims abstract 2
- 239000010410 layer Substances 0.000 claims description 24
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- 238000009489 vacuum treatment Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 11
- 239000011888 foil Substances 0.000 description 5
- 206010048629 Wound secretion Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000005871 repellent Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000004775 Tyvek Substances 0.000 description 1
- 229920000690 Tyvek Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/05—Bandages or dressings; Absorbent pads specially adapted for use with sub-pressure or over-pressure therapy, wound drainage or wound irrigation, e.g. for use with negative-pressure wound therapy [NPWT]
-
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- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive bandages or dressings
-
- A—HUMAN NECESSITIES
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- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive bandages or dressings
- A61F13/0203—Adhesive bandages or dressings with fluid retention members
- A61F13/022—Adhesive bandages or dressings with fluid retention members having more than one layer with different fluid retention characteristics
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- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive bandages or dressings
- A61F13/0203—Adhesive bandages or dressings with fluid retention members
- A61F13/0226—Adhesive bandages or dressings with fluid retention members characterised by the support layer
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- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
- A61M1/91—Suction aspects of the dressing
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- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D51/00—Closures not otherwise provided for
- B65D51/16—Closures not otherwise provided for with means for venting air or gas
- B65D51/1605—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior
- B65D51/1616—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior by means of a filter
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- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
- A61F2005/4415—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices venting by manual operation
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- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00089—Wound bandages
- A61F2013/0017—Wound bandages possibility of applying fluid
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- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00089—Wound bandages
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- A—HUMAN NECESSITIES
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- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00089—Wound bandages
- A61F2013/00246—Wound bandages in a special way pervious to air or vapours
- A61F2013/00251—Wound bandages in a special way pervious to air or vapours with macroscopic openings
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- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00361—Plasters
- A61F2013/00365—Plasters use
- A61F2013/0054—Plasters use for deep wounds
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- A—HUMAN NECESSITIES
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- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
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- A—HUMAN NECESSITIES
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- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
- A61F5/441—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices having venting or deodorant means, e.g. filters ; having antiseptic means, e.g. bacterial barriers
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/22—Details
- B65D77/225—Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element
Definitions
- the invention relates to a device for wound treatment and a wound covering plaster made according thereto, which can be advantageously used in particular in various methods of vacuum wound treatment of surface wounds.
- Drainage tube is then subjected to a negative pressure, whereby the wound fluid can be sucked off.
- this approach also requires considerable skill of the medical practitioner, because during wound care, all separately inserted device components are to be fixed, which often can not be accomplished by one person alone.
- Vacuum wound treatment have been developed, for example, in
- Negative pressure is a procedure that has been practiced for many years, which positively influences the healing of deep and large wounds by permanent wound irritation.
- This type of vacuum wound treatment is described in detail, for example, in DE 694 25 8B1 T3, DE 692 29 940 T2 and DE 692 24 847 T3, which is why reference should here be made to this only.
- No. 6,695,824 B2 discloses a wound dressing covering for outer flat wounds which consists of two layers, wherein the first layer is applied directly to the wound and the second layer has an outwardly acting moisture barrier. Between the said layers a plurality of hose-like supply lines are provided which provide a moisture supply to the wound
- the hard port is a disadvantage to the patient.
- the use of hard ports for small wounds with respect to air circulation in the wound area unsuitable because a small adhesive surface is not sufficiently ventilated beyond the wound area. This obstructs the aspiration of the wound secretion. Only by a special pump, by the
- Suction hose allows ventilation of the wound, the suction process of wound secretion can be maintained.
- Wound area are, for example, in WO 2008/039314 A1,
- the present invention has for its object to provide a multivalent usable device for vacuum wound treatment, which allows sufficient ventilation of the wound even when using commercially conventional vacuum pumps on reaching the required negative pressure in the wound area without it consuming
- Control means for the vacuum pump requires as well as a subsequently manufactured Wundabdeckpflaster.
- the essence of the invention consists in that a part of a conventional wound cover plaster, which covers the wound surface completely airtight to the outside, is provided with at least one opening lying above the wound surface, on which a layer stack is provided is, at least from a filter disc, in particular
- Bacteria filter disc at least one vapor diffusion-open, but at the same time watertight paper-like disc and at least one further, also provided with an opening which is preferably arranged corresponding to the opening in the wound film, provided flexible film which directly or indirectly sealing all of the aforementioned Schichtp beautician with the wound film in the boundary region includes and closes, wherein the arrangement of at least one waterproof disc always takes place so that it is provided on the side facing the outside air layer stack final.
- adjustable vacuum pumps defined adjust adjustable throttle effects of the proposed device. If the proposed device is already integrated into a wound cover, additional steps for the surgeon's attachment are unnecessary. If the device is offered separately on a carrier foil, the surgeon only has to bring in an opening in the wound cover whose diameter is slightly larger than the opening of the opening of the proposed device to be placed on it, in order not to change the throttle effect predefined by it. This is easy to do even for an inexperienced surgeon.
- the main advantage of the proposed device is that no
- Vacuum pumping must be made.
- Vacuum range is specifiable adjustable. Due to the fact that ventilation of the wound via the pump itself is eliminated, the risk of germ infections by the pumping paths is no longer present.
- filters in particular bacteria filters, are to be used in the device according to the invention which are sensitive to moisture, not only the side facing the outside air is mentioned
- Schichtstapeis finally with a waterproof disc or provided with a moisture-repellent layer disc, but also the wound-facing side of the device according to the invention provided with such a final layer.
- Fig. 1 is a plan view of a possible embodiment, which makes it clear that all subsequent figures are to represent vertical not to scale cuts along a plane X-X;
- Fig. 2 shows a first embodiment in which the
- Fig. 3 shows a second embodiment in which the
- Device is arranged directly on a separate carrier film which is mounted over an opening in Wundabdeckpflaster;
- FIG. 4 shows an exemplary embodiment consisting of a layer stack analogous to the example according to FIG. 3;
- FIG. 5 shows an exemplary fourth embodiment in which the layer stacks provided according to the present invention are applied in a split manner on both surfaces of a wound cover plaster or a carrier foil;
- FIG. 1 shows, on the basis of a plan view of the example according to FIG. 2, how the sectional images according to FIGS. 2 to 6 are to be understood, namely as a vertical section along a plane X-X.
- FIG. 2 shows a first possible embodiment in which a wound covering plaster 2 is initially applied over a wound W shown schematically, as usual in the prior art is.
- This wound cover plaster 2 hermetically seals the wound.
- Vacuum hoses, fillings of the wound W with gauze, drainage means, etc. are not shown here and in the following for reasons of clarity. According to the present invention is in the
- Wundabdeckpflaster 2 introduced in this example an opening 21, on which a filter disc 11, in particular formed by a bacterial filter with about 10 mm diameter, is arranged, on which also a vapor diffusion-open but also waterproof paper-like disc 12 ⁇ preferred consisting of Tyvek ® )
- the filter 11, the disc 12 are laterally outwardly and in the surface area by means of a sealing film 14 includes and fixed to the wound cover plaster 2 connected. This can be done by gluing or sizing, depending on what material is used for the wound dressing and the film.
- a sealing film 14 includes and fixed to the wound cover plaster 2 connected. This can be done by gluing or sizing, depending on what material is used for the wound dressing and the film.
- the film 14 corresponding to the opening 21 in
- Wundabdeckpflaster 2 also an air inlet opening 141st
- the openings 21 and 141 are formed in the same diameter a and b.
- FIG. 3 shows an embodiment of FIG. 2 which is otherwise identical with regard to the device components filter 11, disk 12 and film 14, but here the components mentioned are initially provided on a separate carrier film 3, whose
- Wundabdeckpflaster 2 facing surface has an adhesive coating.
- the surgeon After the surgeon has introduced an opening 21 into a previously closed wound covering plaster 2, he fixes the device 1 according to the invention with the aid of said adhesive layer over the opening 21 such that the opening 31 in the carrier foil 3 corresponds to the opening 21 in the wound cover plaster 2.
- the opening 21 should always be designed to be larger than the Drosseletqueronce with determining opening 31 in the support film 3, whose smaller diameter is designated in Fig. 3 with d, so before by the filter material, its thickness and
- FIG. 4 shows, by way of example only, that the proposed layer package 1, if the throttle cross section specifications make it necessary, can also consist of several filter disks 11 of the same or different properties and of a plurality of disks 12. Even with such a construction, as shown in Fig. 4, the
- Total height h of the applied device in the example only 1.3 mm.
- a substantially flexible connection and fixation on the wound cover plaster 2 is therefore already possible
- a fourth exemplary embodiment according to FIG. 5 the possibility is shown of dividing said layer packages and applying them to both sides of a wound cover plaster 2 or a carrier foil 3.
- Such an embodiment is within the scope of the invention.
- the provision of discs 12 is not necessarily required, but in any case such a disc should move the device in the direction
- Figure 6 outlined with reference to only two discs 11, 12 an advantageous embodiment in which the diameter of the filter discs 1 1 and the discs 12 are tapered stepwise designed such that a Jardinnkegelstumpfieris structure with the smallest diameter is formed on the respective outer side adjacent disc. Of course, the smallest disc diameter is still larger than the opening above it.
- Such Design Simplifies in the manufacture of the attachment of the flexible film 14, which conforms more easily to the provided stack.
- the wound-facing opening with an approximately half the opening diameter as the opening facing the outside air.
- the diameter of the opening facing the outside air was from 6 mm to 1 mm with a simultaneous decreasing determination of diameters of the wound facing the opening of 3 mm to 0.5 mm in their positive
- Embodiment are used, they are initially against each other at the edge to fix before they are in the composite with the carrier film 3 on the provided with an opening 21st
- Wundabdeckpflaster 2 are connected airtight in the remaining peripheral area. This composite thus produced then realizes the function of the film 14 described for the other exemplary embodiments.
- venting of the wound takes place after 12 to 15 seconds
- Vacuum wound treatment never a negative pressure of 200 mbar is exceeded even for a short time.
- the device according to the invention can be produced inexpensively and can be used in all known vacuum wound treatment methods (also for pumps at intervals).
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Otolaryngology (AREA)
- Mechanical Engineering (AREA)
- Dermatology (AREA)
- Materials For Medical Uses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/704,962 US9199013B2 (en) | 2010-06-16 | 2011-06-15 | Device for wound treatment and a wound covering bandage or dressing |
EP11819159.2A EP2582337A2 (de) | 2010-06-16 | 2011-06-15 | Vorrichtung zur wundbehandlung und wundabdeckpflaster |
PCT/DE2011/001866 WO2012041296A2 (de) | 2010-06-16 | 2011-06-15 | Vorrichtung zur wundbehandlung und wundabdeckpflaster |
DE112011102047T DE112011102047A5 (de) | 2010-06-16 | 2011-06-15 | Vorrichtung zur Wundbehandlung und Wundabdeckpflaster |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202010009148.9 | 2010-06-16 | ||
DE202010009148U DE202010009148U1 (de) | 2010-06-16 | 2010-06-16 | Saugvorrichtung zur Wundbehandlung |
PCT/DE2011/001866 WO2012041296A2 (de) | 2010-06-16 | 2011-06-15 | Vorrichtung zur wundbehandlung und wundabdeckpflaster |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012041296A2 true WO2012041296A2 (de) | 2012-04-05 |
WO2012041296A3 WO2012041296A3 (de) | 2012-08-23 |
Family
ID=53054492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2011/001866 WO2012041296A2 (de) | 2010-06-16 | 2011-06-15 | Vorrichtung zur wundbehandlung und wundabdeckpflaster |
Country Status (4)
Country | Link |
---|---|
US (1) | US9199013B2 (de) |
EP (1) | EP2582337A2 (de) |
DE (1) | DE112011102047A5 (de) |
WO (1) | WO2012041296A2 (de) |
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DE202014001217U1 (de) | 2014-02-08 | 2014-03-31 | Norbert Neubauer | Vorrichtung zur Wundbehandlung |
CN103935632A (zh) * | 2013-01-22 | 2014-07-23 | 株式会社迪思科 | 包装材料 |
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US9023002B2 (en) | 2011-08-31 | 2015-05-05 | Timothy Mark Robinson | Reduced-pressure interfaces, systems, and methods employing a Coanda device |
US11638666B2 (en) | 2011-11-25 | 2023-05-02 | Smith & Nephew Plc | Composition, apparatus, kit and method and uses thereof |
US10881764B2 (en) | 2012-03-20 | 2021-01-05 | Smith & Nephew Plc | Controlling operation of a reduced pressure therapy system based on dynamic duty cycle threshold determination |
US11730877B2 (en) | 2012-03-20 | 2023-08-22 | Smith & Nephew Plc | Controlling operation of a reduced pressure therapy system based on dynamic duty cycle threshold determination |
US9901664B2 (en) | 2012-03-20 | 2018-02-27 | Smith & Nephew Plc | Controlling operation of a reduced pressure therapy system based on dynamic duty cycle threshold determination |
CN103935632A (zh) * | 2013-01-22 | 2014-07-23 | 株式会社迪思科 | 包装材料 |
US11931226B2 (en) | 2013-03-15 | 2024-03-19 | Smith & Nephew Plc | Wound dressing sealant and use thereof |
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DE202014001217U1 (de) | 2014-02-08 | 2014-03-31 | Norbert Neubauer | Vorrichtung zur Wundbehandlung |
WO2015124740A1 (de) * | 2014-02-21 | 2015-08-27 | Bsn Medical Gmbh | Vorrichtung zur unterdruckwundbehandlung |
US11596552B2 (en) | 2014-06-18 | 2023-03-07 | Smith & Nephew Plc | Wound dressing and method of treatment |
US10610414B2 (en) | 2014-06-18 | 2020-04-07 | Smith & Nephew Plc | Wound dressing and method of treatment |
US11090196B2 (en) | 2015-12-30 | 2021-08-17 | Smith & Nephew Plc | Absorbent negative pressure wound therapy dressing |
USD977624S1 (en) | 2016-02-29 | 2023-02-07 | Smith & Nephew Plc | Portable negative pressure apparatus |
USD985755S1 (en) | 2016-02-29 | 2023-05-09 | Smith & Nephew Plc | Portable negative pressure apparatus |
Also Published As
Publication number | Publication date |
---|---|
US20130090616A1 (en) | 2013-04-11 |
EP2582337A2 (de) | 2013-04-24 |
US9199013B2 (en) | 2015-12-01 |
DE112011102047A5 (de) | 2013-05-16 |
WO2012041296A3 (de) | 2012-08-23 |
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